查询词典 mining

For the scurviness of mining system, the security environment of mining system is focus of people.

当前由于矿井所处的恶劣环境，矿井生产安全一直是人们十分关注的问题。

It was the first time that full-mechanized caving mining was used under sea in the history of coal mining under sea in the world.

海域下煤层采用综放开采在世界海域煤炭开采史上还是首次。

In order to overcome some difficulties in mechanized kaolin mining, such as the weak roof, hard ore body, high toughness, it is necessary to apply long hole standing shot technology before the mining activity so as to improve the mechanical cutting efficiency and meet the demand of blocks degree.

为了解决煤系高岭土矿机械化开采存在顶板软弱，矿体相对煤炭质地硬，韧性大，矿石块度要求适中等难题，有必要在开采前采用预先对矿体进行充分合理的松动爆破，以提高机械切割效率及满足矿石块度适中的要求。

This paper combines Spearman Order Relational Coefficient and Rough Set with Data Mining, and provide a combined model of improving the efficiency of the Data Mining.

本文将Spearman 秩相关检验法、粗糙集与数据挖掘算法结合起来，提出了一种提高数据挖掘效率的组合数据挖掘模型。

The practice indicates that the stope mining indexes obtained by this method are reliable and can be used in actual production management and mining quality appraisal.

研究结果表明：采用该方法计算获得的采场回采指标可靠，可用于矿山实际生产管理和回采质量评估。

Personalized information reorganization and distribution ; Stram data mining ; Web content mining ; Domain and ontology knowledge

个性化信息重组与发布；流数据挖掘； Web内容挖掘；领域本体知识

According to the fifth census data: the region's total population 235,387, of which the township population: the victory of the village of Bridge Street 21129 100 Street Railway compound 24,812 of 21,470 street 33,084 Lin Pang Village Road street street street 2672 8683 16024 petrochemical 46196 street Zhai Xiang Peng 8350 Handan Handan Mining 31,522 virtual streets of metallurgical and mining Authority Xing virtual streets in North China Metallurgical Construction Corporation 21913 virtual streets in 2204

根据第五次人口普查数据：全区总人口235387人，其中各乡镇人口：胜利桥街道 21129 百家村街道 24812 铁路大院街道 21470 化林路街道 33084 庞村街道 8683 二六七二街道 16024 石化街道 8350 彭家寨乡 46196 邯郸矿务局虚拟街道 31522 邯邢冶金矿山管理局虚拟街道 21913 华北冶金建设公司虚拟街道 2204

The mining method of wide strip skip-mining is put forward.

提出了宽条带跳采的采煤方法。

But if the strip mining companies will pay more,then perhaps the best disposition of the land is to sell it to the strip mining companies.

但是如果采矿公司愿意支付更多，也许对这块土地最好的处理是把它卖给采矿公司。

In an attempt to contain some of the disastrous consequences of strip mining. Congresspassed the Surface Mining Control and Reclamation Act of 1977.

在控制那些由露天剥采造成的灾难性后果的尝试中，议会于1977年通过了表层土地采矿控制与开垦的法案。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。